Japan Train Propmotion from Nagoya

Tateyama Kurobe Alpine Ticket

http://english.jr-central.co.jp/tickets/value/tateyamakurobe/index.html

Shirakawa
http://english.jr-central.co.jp/tickets/value/hidaji/index.html

http://english.jr-central.co.jp/tickets/value/hokuriku/index.html

Special Package from Nagoya
http://www.japanican.com/special/shinkansen/#from_nagoya

Nagoya to Takayama
http://jprail.com/travel-informations/tips-for-japan-rail-pass/how-to-access-to-takayama-by-trains-and-buses.html

http://www.nouhibus.co.jp/english/shirakawago_kanazawa.html

JR Pass
http://www.japanrailpass.net/eng/